Impeller



FIG. 1 is a first perspective view of an impeller, taken from above.

FIG. 2 is a second perspective view of the impeller, taken from below.

FIG. 3 is a front view of the impeller of FIG. 1.

FIG. 4 is a back view of the impeller of FIG. 1.

FIG. 5 is a left-side view of the impeller of FIG. 1.

FIG. 6 is a right-side view of the impeller of FIG. 1.

FIG. 7 is a top view of the impeller of FIG. 1.

FIG. 8 is a bottom view of the impeller of FIG. 1.

FIG. 9 is a cross-sectional view of the impeller taken along the line 9-9 shown in FIG. 7; and,

FIG. 10 is a cross-sectional view of the impeller taken along the line 10-10 shown in FIG. 7.

The broken lines represent features of the impeller which form no part of the claimed design. 

CLAIM The ornamental design for an impeller, as shown and described. 